[Noisebridge-discuss] anyone have an instrumentation amp chip i could pick up late tonight?
Michael Shiloh
michaelshiloh1010 at gmail.com
Wed Jun 16 21:39:44 UTC 2010
unless you're near berkeley and then i can pick it up at your convenience.
i need to build an instrumentation amp demonstration that will go down
to about 10 nV, so low noise is a must.
it would be sufficient to indicate when an input voltage is above or
below a non-critical threshold somewhere around 10-20nV.
the AD620 keeps coming up when i search, so it must be a pretty common chip.
or perhaps something left over from an EEG project?
al lasher's didn't have any. i didn't bother with the shack.
suggestions, comments, etc. welcomed
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